1674382393 has 4 divisors (see below), whose sum is σ = 1674907380. Its totient is φ = 1673857408.

The previous prime is 1674382387. The next prime is 1674382433. The reversal of 1674382393 is 3932834761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3932834761 = 61 ⋅64472701.

It can be written as a sum of positive squares in 2 ways, for example, as 1393752889 + 280629504 = 37333^2 + 16752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674382393 - 2⁵ = 1674382361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674382373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257680 + ... + 264097.

It is an arithmetic number, because the mean of its divisors is an integer number (418726845).

Almost surely, 2^1674382393 is an apocalyptic number.

It is an amenable number.

1674382393 is a deficient number, since it is larger than the sum of its proper divisors (524987).

1674382393 is an equidigital number, since it uses as much as digits as its factorization.

1674382393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524986.

The product of its digits is 653184, while the sum is 46.

The square root of 1674382393 is about 40919.2178933078. The cubic root of 1674382393 is about 1187.4578864179.

The spelling of 1674382393 in words is "one billion, six hundred seventy-four million, three hundred eighty-two thousand, three hundred ninety-three".